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Oval|Lab Grown|IGI

0.77ct I SI2 Oval Lab Grown Diamond

ID • I/SI2 • IGI LG445037747

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG445037747

Diamond specifications and retailer prices

From $400 USD
As of October 29, 2026
Save $1,195 USD (75%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,948 USD at MOH London · As of October 18, 2026
View at MOH London

About this 0.77ct lab-grown oval diamond

This 0.77ct lab-grown oval sits in the just-under-one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG445037747 or 445037747. Listed at 11 retailers as of October 28, 2026, with a 299% 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

0.77
Carat
I
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445037747
Dimensions7.19 × 5.10 × 3.22 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.19 mm5.10 mm0.77 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG445037747
Side View
Table 60.0%Crown 36.3°Girdle: STK-THKPavilion 40.9°Culet: NoneDepth 63.1%

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: $1,948 USD|Low: $319 USD|High: $1,962 USD|Avg: $804 USD|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 6$400 USD
Retailer 3$404 USD
Retailer 10$448 USD
Retailer 8$496 USD
Retailer 11$496 USD
Retailer 7$540 USD
Retailer 9$786 USD
Retailer 2$882 USD
Retailer 12$883 USD
Retailer 4$1,038 USD
Retailer 5$1,391 USD
MOH London$1,948 USD

21 data points across 12 retailers

11 retailers$400 USD to $1,595 USD

A
Cheapest Retailer
-
$400 USD
A
Retailer 2
-
$448 USD
View
Final sale: no returns
A
Retailer 3
-
$448 USD
View
A
Retailer 4
-
$496 USD
View
A
Retailer 5
-
$496 USD
View
B+
Retailer 6
-
$540 USD
View
B+
Retailer 7
-
$786 USD
View
B+
Retailer 8
-
$882 USD
€840 EUR
View
B
Retailer 9
-
$1,391 USD
View
B
Retailer 10
-
$1,595 USD
View
Most Expensive
B
MOH London
LG445037747 · Oct 18
$1,948 USD
£1,534 GBP
View
Price last confirmed 11 days ago
10 more retailers have this diamond
Prices start from $400 USDSave up to $1,195 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
0.77ct Oval
$400 USD