2 Carat Diamond Prices in Australia

How much does a 2 carat diamond cost in Australia? Live AUD pricing across 100+ retailers, refreshed daily.

Last updated 15 September 2026·Based on 2,868,432 active listings

Caratlytics Diamond Price Index, August 2026: natural diamonds at 2,184 USD per carat and lab-grown at 464 USD per carat, a natural to lab ratio of 4.7 to 1. See the full index release

Total listings
2,868,432
Typical natural (AUD)
$20,578 AUD
$9,917/ct
Typical range $6,794/ct$13,949/ct
Typical lab-grown (AUD)
$1,445 AUD
$697/ct
Typical range $464/ct$1,161/ct
Lab vs natural at this carat
Natural diamonds at this carat trade at 14.2× lab-grown prices, so picking lab-grown saves around 93% per stone at the same shape, colour and clarity.

Top 2-carat diamonds available now

The highest-scoring stones at exactly 2 carat the market is currently offering, by origin. Click any to see the full diamond.

What a 2 Carat Diamond Actually Costs

2 carat is a popular milestone weight. The diamond market prices every tier of carat weight in steps, not a smooth curve, and milestone weights like this one sit right at a psychological threshold. That means you pay a disproportionate premium for hitting a round number. But it also means the available inventory is deepest here, so you have the most choice.

We're tracking 2,868,432 active listings at 2 carat right now. A typical natural diamond in this range costs around $20,578 AUD while the lab-grown equivalent sits at roughly $1,445 AUD, about a 14.2× ratio. That gap is normal because lab-grown has been trending down in price steadily while natural holds value.

ROUND accounts for about 37% of 2 carat inventory. Consistent with round being the classic engagement ring choice. Fancy shapes (oval, pear, cushion) trade at slight discounts per carat compared to round, partly because they use more of the original rough crystal so they're cheaper to produce.

At 2 carat, the sweet spot for most buyers is E colour with VS2 clarity. This combination is eye-clean, face-up indistinguishable from a D/FL on paper, and typically costs 40-60% less. The money you save there is far better spent on cut grade. Excellent or Ideal. Because cut drives sparkle more than any other single grade.

A word on threshold pricing: a 0.95 carat and a 1.00 carat stone of identical quality can differ in price by 15-25%, even though visually they look the same on a finger. If 2 carat is a hard target, consider stones just below (0.90-0.99, 1.90-1.99, 2.90-2.99). They face up identically and the savings are real.

Breakdown by Shape

ShapeOriginListingsMedian (AUD)
ROUNDlab grown882,066$641/ct
OVALlab grown336,250$796/ct
PEARlab grown233,196$728/ct
CUSHIONlab grown211,412$695/ct
ROUNDnatural183,388$10,097/ct
EMERALDlab grown178,048$649/ct
RADIANTlab grown162,591$763/ct
PRINCESSlab grown160,584$724/ct
MARQUISElab grown97,263$853/ct
OVALnatural69,983$10,419/ct
HEARTlab grown61,731$615/ct
CUSHIONnatural55,249$9,245/ct
EMERALDnatural46,408$10,035/ct
ASSCHERlab grown46,187$772/ct
PEARnatural42,505$10,461/ct
PRINCESSnatural22,259$7,581/ct
RADIANTnatural21,226$10,335/ct
HEARTnatural15,037$7,927/ct
MARQUISEnatural14,147$13,918/ct
ASSCHERnatural12,886$8,723/ct
OTHERlab grown12,649$912/ct
TRILLIONlab grown1,691$866/ct
OTHERnatural578$10,837/ct
BAGUETTElab grown410$511/ct
TRILLIONnatural375$9,049/ct
SQ_RADIANTlab grown223$528/ct
ROUNDunknown32$680/ct
BAGUETTEnatural21$16,878/ct
SQ_RADIANTnatural15$10,407/ct
OVALunknown11$2,351/ct

Breakdown by Colour

GradeOriginListingsMedian (AUD)
Dnatural46,750$15,782/ct
Dlab grown846,112$784/ct
Dunknown20$1,423/ct
Enatural42,827$14,182/ct
Elab grown916,129$650/ct
Eunknown28$624/ct
Fnatural51,735$13,600/ct
Flab grown423,016$637/ct
Funknown3$770/ct
Gnatural69,937$12,280/ct
Glab grown133,387$614/ct
Gunknown4$635/ct
Hnatural77,546$10,344/ct
Hlab grown28,808$632/ct
Hunknown4$14,109/ct
Inatural78,125$8,611/ct
Ilab grown14,557$1,893/ct
Jnatural61,827$6,981/ct
Jlab grown18,782$2,027/ct
Junknown3$10,569/ct
Knatural29,122$5,503/ct
Klab grown3,149$3,383/ct

Breakdown by Clarity

GradeOriginListingsMedian (AUD)
FLnatural1,283$23,820/ct
FLlab grown58,711$1,930/ct
IFlab grown87,050$1,255/ct
IFunknown4$4,917/ct
IFnatural11,440$14,350/ct
VVS1lab grown270,038$757/ct
VVS1unknown2$2,412/ct
VVS1natural33,608$12,609/ct
VVS2unknown16$763/ct
VVS2natural48,071$11,855/ct
VVS2lab grown959,222$653/ct
VS1natural79,978$11,646/ct
VS1lab grown777,652$644/ct
VS1unknown20$1,339/ct
VS2unknown19$603/ct
VS2natural95,842$11,437/ct
VS2lab grown198,906$682/ct
SI1natural91,856$9,983/ct
SI1lab grown27,229$1,080/ct
SI1unknown1$16,008/ct
SI2natural105,019$7,361/ct
SI2lab grown4,944$2,440/ct
I1lab grown521$4,368/ct
I1natural13,926$6,666/ct
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