CaratHunter
Plans
Oval|Lab Grown|IGI

1.65ct I VS1 Oval Lab Grown Diamond

EX • I/VS1 • IGI LG523279294

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG523279294

Diamond specifications and retailer prices

From $1,127 USD
As of November 3, 2026
Save $737 USD (40%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $4,141 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1.65ct lab-grown oval diamond

This 1.65ct lab-grown oval sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG523279294 or 523279294. Listed at 6 retailers as of November 1, 2026, with a 65% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.65
Carat
I
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG523279294
Dimensions9.71 × 6.66 × 4.08 mm
L/W Ratio1.46
Girdle conditionFaceted
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
9.71 mm6.66 mm1.65 ctI / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG523279294
Side View
Table 60.5%Crown 35.9°GirdlePavilion 40.1°Culet: NoneDepth 61.3%

Caratlytics Score

How it works →
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 3
Current: $4,141 USD|Low: $1,127 USD|High: $5,742 USD|Avg: $2,346 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 6$1,127 USD
Retailer 7$1,340 USD
Retailer 9$1,409 USD
Retailer 3$1,864 USD
Retailer 4$2,371 USD
Retailer 8$2,490 USD
Retailer 5$3,550 USD
MOH London$4,141 USD
Retailer 2$5,742 USD

6 data points across 9 retailers

6 retailers$1,127 USD to $1,864 USD

B
Cheapest Retailer
-
$1,127 USD
Final sale: no returns
B
Retailer 2
-
$1,340 USD
View
B
Retailer 3
-
$1,864 USD
View
Retailer 4
-
$2,371 USD
View
Price last confirmed 30 days ago
Most Expensive
MOH London
LG523279294 · Nov 1
$4,141 USD
£3,261 GBP
View
Price under review
4 more retailers have this diamond
Prices start from $1,127 USDSave up to $737 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.

B
1.65ct Oval
$1,127 USD