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Radiant|Natural|GIA

1.87ct G SI1 Radiant Natural Diamond

GD • G/SI1 • GIA 1219042376

Certificate GIA 1219042376

Diamond specifications and retailer prices

From $18,173 AUD
£10,028 GBP
As of November 1, 2026
Save $7,804 AUD (30%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $25,977 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 1.87ct natural radiant diamond

This 1.87ct natural radiant sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 1219042376. Listed at 4 retailers as of November 1, 2026, with prices from $18,173 to $25,977, a $7,804 spread on the same certified stone. MOH London lists it at $25,977. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.87
Carat
G
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1219042376
Dimensions6.76 × 6.76 × 4.51 mm
L/W Ratio1.00
Culet sizeNone
Cert comments
Additional clouds are not shown. Pinpoints are not shown.
Top View
6.76 mm6.76 mm1.87 ctG / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1219042376
Side View
Table 63.0%CrownGirdle: ThickPavilionCulet: NoneDepth 66.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $25,977 AUD|Low: $18,063 AUD|High: $26,289 AUD|Avg: $21,661 AUD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 3$18,173 AUD
Retailer 4$20,510 AUD
Retailer 2$20,951 AUD
MOH London$25,977 AUD

42 data points across 4 retailers

4 retailers$18,173 AUD to $25,977 AUD

B
Cheapest Retailer
-
$18,173 AUD
£10,028 GBP
B
Retailer 2
-
$20,510 AUD
£11,318 GBP
View
B
Retailer 3
-
$20,951 AUD
€13,984 EUR
View
Most Expensive
B
MOH London
B7218148F · Nov 1
$25,977 AUD
£14,335 GBP
View
3 more retailers have this diamond
Prices start from $18,173 AUDSave up to $7,804 AUD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B
1.87ct Radiant
$18,173 AUD