2 Carat Diamond Prices in Australia

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

Last updated 30 October 2026·Based on 4,059,056 active listings

Caratlytics Diamond Price Index, September 2026: natural diamonds at 2,335 USD per carat and lab-grown at 443 USD per carat, a natural to lab ratio of 5.3 to 1. See the full index release

Total listings
4,059,056
Typical natural (AUD)
$21,312 AUD
$10,271/ct
Typical range $7,026/ct to $14,456/ct
Typical lab-grown (AUD)
$1,538 AUD
$741/ct
Typical range $436/ct to $1,161/ct
Lab vs natural at this carat
Natural diamonds at this carat trade at 13.9× 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 4,059,056 active listings at 2 carat right now. A typical natural diamond in this range costs around $21,312 AUD while the lab-grown equivalent sits at roughly $1,538 AUD, about a 13.9× ratio. That gap is normal because lab-grown has been trending down in price steadily while natural holds value.

ROUND accounts for about 34% 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 to 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 to 25%, even though visually they look the same on a finger. If 2 carat is a hard target, consider stones just below (0.90 to 0.99, 1.90 to 1.99, 2.90 to 2.99). They face up identically and the savings are real.

Breakdown by Shape

ShapeOriginListingsMedian (AUD)
ROUNDlab grown1,164,484$665/ct
OVALlab grown443,081$892/ct
EMERALDlab grown322,127$703/ct
MARQUISElab grown304,673$751/ct
PEARlab grown282,404$806/ct
RADIANTlab grown265,341$750/ct
CUSHIONlab grown240,727$828/ct
ROUNDnatural232,046$10,815/ct
PRINCESSlab grown195,850$794/ct
HEARTlab grown103,456$634/ct
OVALnatural92,969$10,729/ct
ASSCHERlab grown77,708$780/ct
CUSHIONnatural70,784$9,187/ct
EMERALDnatural58,673$10,802/ct
PEARnatural55,208$9,830/ct
RADIANTnatural30,809$10,138/ct
PRINCESSnatural28,599$8,047/ct
HEARTnatural24,366$8,557/ct
MARQUISEnatural22,833$13,667/ct
OTHERlab grown19,378$937/ct
ASSCHERnatural18,588$9,032/ct
TRILLIONlab grown2,052$913/ct
OTHERnatural1,253$9,808/ct
BAGUETTElab grown664$953/ct
TRILLIONnatural502$8,736/ct
SQ_RADIANTlab grown408$664/ct
SQ_RADIANTnatural32$9,883/ct
BAGUETTEnatural17$19,286/ct

Breakdown by Colour

GradeOriginListingsMedian (AUD)
Dnatural62,242$16,630/ct
Dlab grown1,250,645$840/ct
Dunknown9$4,879/ct
Enatural55,919$14,639/ct
Elab grown1,299,315$672/ct
Eunknown8$2,688/ct
Fnatural67,133$13,881/ct
Flab grown581,968$674/ct
Gnatural89,898$12,647/ct
Glab grown187,143$686/ct
Hnatural101,755$10,776/ct
Hlab grown41,332$642/ct
Hunknown4$14,570/ct
Inatural101,470$8,943/ct
Ilab grown20,888$1,967/ct
Jnatural80,877$7,223/ct
Jlab grown31,489$1,985/ct
Junknown3$11,066/ct
Knatural39,385$5,838/ct
Klab grown6,498$2,890/ct

Breakdown by Clarity

GradeOriginListingsMedian (AUD)
FLnatural1,602$25,797/ct
FLlab grown100,172$1,541/ct
IFnatural14,619$15,402/ct
IFlab grown144,597$1,155/ct
IFunknown4$4,990/ct
VVS1natural43,909$13,375/ct
VVS1lab grown440,565$779/ct
VVS1unknown1$3,807/ct
VVS2natural60,865$12,371/ct
VVS2lab grown1,352,924$678/ct
VVS2unknown6$2,948/ct
VS1natural102,234$12,184/ct
VS1lab grown1,053,831$686/ct
VS1unknown9$2,689/ct
VS2natural123,358$11,842/ct
VS2lab grown277,910$729/ct
VS2unknown3$11,177/ct
SI1natural124,243$10,272/ct
SI1lab grown43,393$1,012/ct
SI1unknown1$16,761/ct
SI2natural144,517$7,688/ct
SI2lab grown8,680$1,899/ct
I1natural17,347$6,669/ct
I1lab grown228$1,144/ct
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