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Round|Lab Grown|IGI

1.87ct G SI2 Round Lab Grown Diamond

EX • G/SI2 • IGI LG476159748

Shape and cutting style on the report: Round brilliant

Certificate IGI LG476159748

Diamond specifications and retailer prices

From $954 AUD
£528 GBP
As of October 30, 2026
Save $1,197 AUD (56%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,582 AUD at MOH London · As of October 18, 2026
View at MOH London

About this 1.87ct lab-grown round diamond

This 1.87ct lab-grown round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG476159748 or 476159748. Listed at 12 retailers as of October 30, 2026, with a 125% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.87
Carat
G
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG476159748
Dimensions7.80 × 7.77 × 4.93 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.80 mm7.77 mm1.87 ctG / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG476159748
Side View
Table 58.5%Crown 36.5°Girdle: ThickPavilion 41.2°Culet: NoneDepth 63.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,582 AUD|Low: $464 AUD|High: $2,582 AUD|Avg: $1,298 AUD|+25.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 8$464 AUD
Retailer 3$954 AUD
Retailer 6$961 AUD
Retailer 2$1,184 AUD
Retailer 5$1,196 AUD
Retailer 7$1,315 AUD
Retailer 4$1,747 AUD
Retailer 9$2,151 AUD
MOH London$2,582 AUD

35 data points across 9 retailers

12 retailers$954 AUD to $2,151 AUD

Retailer 1
-
$374 AUD
$263 USD
Price last confirmed 39 days ago
Retailer 2
-
$434 AUD
$305 USD
View
Price last confirmed 39 days ago
Retailer 3
-
$458 AUD
$322 USD
View
Price last confirmed 39 days ago
B+
Retailer 4
-
$954 AUD
£528 GBP
View
B+
Retailer 5
-
$961 AUD
$675 USD
View
B
Retailer 6
-
$1,184 AUD
£655 GBP
View
B
Retailer 7
-
$1,196 AUD
$840 USD
View
B+
Retailer 8
-
$1,315 AUD
$924 USD
View
Retailer 9
-
$1,649 AUD
$1,158 USD
View
Price last confirmed 40 days ago
B
Retailer 10
-
$1,747 AUD
$1,227 USD
View
B
Retailer 11
-
$2,151 AUD
$1,511 USD
View
Most Expensive
MOH London
LG476159748 · Oct 18
$2,582 AUD
£1,428 GBP
View
Price last confirmed 13 days ago
11 more retailers have this diamond
Prices start from $954 AUDSave up to $1,197 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 Round
$954 AUD