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Round|Lab Grown|IGI

1.15ct I VS1 Round Lab Grown Diamond

ID • I/VS1 • IGI LG526291246

Shape and cutting style on the report: Round brilliant

Certificate IGI LG526291246

Diamond specifications and retailer prices

From $322 USD
As of November 1, 2026
Save $1,111 USD (78%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,433 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1.15ct lab-grown round diamond

This 1.15ct lab-grown round sits in the classic one-carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG526291246 or 526291246. Listed at 19 retailers as of November 1, 2026, with prices from $322 to $1,433, a $1,111 spread on the same certified stone. MOH London lists it at $1,433. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.15
Carat
I
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG526291246
Dimensions6.74 × 6.70 × 4.18 mm
L/W Ratio1.01
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
6.74 mm6.70 mm1.15 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG526291246
Side View
Table 56.0%Crown 35°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.2%

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: Nov 1
Current: $1,433 USD|Low: $322 USD|High: $1,450 USD|Avg: $686 USD|-1.1%
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
November 2, 2026
Retailer 15$322 USD
Retailer 11$358 USD
Retailer 13$358 USD
Retailer 6$397 USD
Retailer 7$550 USD
Retailer 12$588 USD
Retailer 9$590 USD
Retailer 14$603 USD
Retailer 2$617 USD
Retailer 4$623 USD
Retailer 8$660 USD
Retailer 3$759 USD
Retailer 10$1,099 USD
Retailer 5$1,199 USD
MOH London$1,433 USD

27 data points across 15 retailers

19 retailers$322 USD to $1,433 USD

Retailer 1
-
$277 USD
Price last confirmed 25 days ago
A
Retailer 2
-
$322 USD
View
Final sale: no returns
Retailer 3
-
$335 USD
View
Price last confirmed 26 days ago
A
Retailer 4
-
$335 USD
View
Retailer 5
-
$358 USD
View
Price last confirmed 30 days ago
Retailer 6
-
$358 USD
View
Price last confirmed 7 days ago
A
Retailer 7
-
$397 USD
HK$3,100 HKD
View
B
Retailer 8
-
$588 USD
View
B+
Retailer 9
-
$590 USD
View
B
Retailer 10
-
$603 USD
View
B+
Retailer 11
-
$617 USD
ZAR 9,962 ZAR
View
B+
Retailer 12
-
$623 USD
View
B+
Retailer 13
-
$660 USD
View
Retailer 14
-
$759 USD
View
Price last confirmed 20 days ago
B
Retailer 15
-
$1,099 USD
View
Retailer 16
-
$1,150 USD
View
Price last confirmed 32 days ago
B
Retailer 17
-
$1,150 USD
View
B
Retailer 18
-
$1,199 USD
View
Most Expensive
B
MOH London
LG526291246 · Nov 1
$1,433 USD
£1,128 GBP
View
18 more retailers have this diamond
Prices start from $322 USDSave up to $1,111 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
1.15ct Round
$322 USD