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Round|Lab Grown|IGI

1.03ct D SI2 Round Lab Grown Diamond

ID • D/SI2 • IGI LG689560552

Shape and cutting style on the report: Round brilliant

Certificate IGI LG689560552

Diamond specifications and retailer prices

From $171 USD
As of October 29, 2026
Save $825 USD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $996 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.03ct lab-grown round diamond

This 1.03ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG689560552 or 689560552. Listed at 18 retailers as of October 29, 2026, with prices from $171 to $996, a $825 spread on the same certified stone. MOH London lists it at $996. 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

1.03
Carat
D
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689560552
Dimensions6.54 × 6.58 × 3.95 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.54 mm6.58 mm1.03 ctD / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689560552
Side View
Table 60.0%Crown 33°Girdle: THN-MEDPavilion 41.4°Culet: NoneDepth 60.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $996 USD|Low: $163 USD|High: $996 USD|Avg: $411 USD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 30, 2026
Retailer 4$171 USD
Retailer 11$190 USD
Retailer 12$198 USD
Retailer 3$212 USD
Retailer 14$212 USD
Retailer 9$375 USD
Retailer 8$376 USD
Retailer 15$379 USD
Retailer 13$453 USD
Retailer 7$486 USD
Retailer 6$500 USD
Retailer 2$532 USD
Retailer 5$681 USD
Retailer 10$719 USD
MOH London$996 USD

35 data points across 15 retailers

18 retailers$171 USD to $996 USD

A
Cheapest Retailer
-
$171 USD
A
Retailer 2
-
$190 USD
View
Final sale: no returns
A
Retailer 3
-
$198 USD
View
A
Retailer 4
-
$212 USD
View
A
Retailer 5
-
$212 USD
View
B+
Retailer 6
-
$359 USD
View
B+
Retailer 7
-
$375 USD
€357 EUR
View
B+
Retailer 8
-
$376 USD
£296 GBP
View
B+
Retailer 9
-
$379 USD
View
B
Retailer 10
-
$453 USD
View
B+
Retailer 11
-
$486 USD
A$748 AUD
View
B+
Retailer 12
-
$500 USD
View
B+
Retailer 13
-
$532 USD
£419 GBP
View
B
Retailer 14
-
$553 USD
View
Retailer 15
-
$675 USD
View
Price last confirmed 40 days ago
B
Retailer 16
-
$681 USD
View
B
Retailer 17
-
$719 USD
View
Most Expensive
B
MOH London
LG689560552 · Oct 29
$996 USD
£784 GBP
View
17 more retailers have this diamond
Prices start from $171 USDSave up to $825 USD

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.

A
1.03ct Round
$171 USD