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Round|Lab Grown|IGI

1.03ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG691552671

Shape and cutting style on the report: Round brilliant

Certificate IGI LG691552671

Diamond specifications and retailer prices

From $177 USD
As of October 29, 2026
Save $853 USD (83%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $1,030 USD at MOH London · As of October 26, 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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG691552671 or 691552671. Listed at 23 retailers as of October 26, 2026, with prices from $177 to $1,030, a $853 spread on the same certified stone. MOH London lists it at $1,030. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG691552671
Dimensions6.57 × 6.54 × 3.94 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.57 mm6.54 mm1.03 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG691552671
Side View
Table 60.0%Crown 34.1°Girdle: MediumPavilion 40.9°Culet: NoneDepth 60.1%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: $1,030 USD|Low: $177 USD|High: $1,040 USD|Avg: $472 USD|+0.2%
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
October 31, 2026
Retailer 13$177 USD
Retailer 5$199 USD
Retailer 4$220 USD
Retailer 14$310 USD
Retailer 2$370 USD
Retailer 10$378 USD
Retailer 8$380 USD
Retailer 7$394 USD
Retailer 3$400 USD
Retailer 6$536 USD
Retailer 11$536 USD
Retailer 12$553 USD
Retailer 9$700 USD
MOH London$1,030 USD

40 data points across 14 retailers

23 retailers$177 USD to $1,030 USD

A
Cheapest Retailer
-
$177 USD
A
Retailer 2
-
$199 USD
View
Final sale: no returns
A
Retailer 3
-
$206 USD
View
A
Retailer 4
-
$220 USD
View
A
Retailer 5
-
$220 USD
View
A
Retailer 6
-
$305 USD
View
A
Retailer 7
-
$310 USD
View
B+
Retailer 8
-
$370 USD
€352 EUR
View
B+
Retailer 9
-
$378 USD
ZAR 6,099 ZAR
View
B+
Retailer 10
-
$380 USD
£300 GBP
View
B+
Retailer 11
-
$394 USD
£310 GBP
View
Retailer 12
-
$398 USD
A$612 AUD
View
Price last confirmed 136 days ago
Retailer 13
-
$400 USD
View
Price last confirmed 27 days ago
B+
Retailer 14
-
$536 USD
View
B+
Retailer 15
-
$536 USD
A$825 AUD
View
B
Retailer 16
-
$553 USD
View
B
Retailer 17
-
$601 USD
SGD 812 SGD
View
B
Retailer 18
-
$700 USD
View
B
Retailer 19
-
$707 USD
View
B
Retailer 20
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$744 USD
View
Retailer 21
-
$747 USD
View
Price last confirmed 15 days ago
B
Retailer 22
-
$761 USD
View
Most Expensive
B
MOH London
LG691552671 · Oct 26
$1,030 USD
£811 GBP
View
22 more retailers have this diamond
Prices start from $177 USDSave up to $853 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
$177 USD