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3.51ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG670420051

Shape and cutting style on the report: Round brilliant

Certificate IGI LG670420051

Diamond specifications and retailer prices

From ₹35,993 INR
$378 USD
As of October 26, 2026
Save ₹1,48,734 INR (81%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: ₹1,84,727 INR at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 3.51ct lab-grown round diamond

This 3.51ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG670420051 or 670420051. Listed at 9 retailers as of October 26, 2026, with prices from ₹35,993 to ₹1,84,727, a ₹1,48,734 spread on the same certified stone. Rare Carat lists it at ₹1,84,727. 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

3.51
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG670420051
Dimensions9.88 × 9.85 × 5.89 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.88 mm9.85 mm3.51 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG670420051
Side View
Table 58.0%Crown 33.5°Girdle: MediumPavilion 40.5°Culet: NoneDepth 59.7%

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 26
Current: ₹1,84,727 INR|Low: ₹35,993 INR|High: ₹4,69,435 INR|Avg: ₹1,49,414 INR|-0.9%
Rare Carat
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 29, 2026
Retailer 11₹35,993 INR
Retailer 9₹40,278 INR
Retailer 2₹71,586 INR
Retailer 14₹76,377 INR
Retailer 6₹1,05,218 INR
Retailer 4₹1,10,265 INR
Retailer 3₹1,17,406 INR
Retailer 10₹1,25,119 INR
Retailer 8₹1,25,214 INR
Retailer 12₹1,43,401 INR
Retailer 7₹1,74,501 INR
Retailer 13₹1,78,271 INR
Rare Carat₹1,84,727 INR
Retailer 5₹4,69,435 INR

27 data points across 14 retailers

9 retailers₹35,993 INR to ₹1,84,727 INR

A
Cheapest Retailer
-
₹35,993 INR
$378 USD
A
Retailer 2
-
₹40,278 INR
$423 USD
View
A
Retailer 3
-
₹71,586 INR
€716 EUR
View
B+
Retailer 4
-
₹1,25,119 INR
$1,314 USD
View
B+
Retailer 5
-
₹1,25,214 INR
$1,315 USD
View
B+
Retailer 6
-
₹1,43,401 INR
$1,506 USD
View
B+
Retailer 7
-
₹1,74,501 INR
£1,443 GBP
View
B
Retailer 8
-
₹1,78,271 INR
SGD 2,530 SGD
View
Price last confirmed 16 days ago
Most Expensive
B
Rare Carat
LGRD30-86336 · Oct 28
₹1,84,727 INR
$1,940 USD
View
8 more retailers have this diamond
Prices start from ₹35,993 INRSave up to ₹1,48,734 INR

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
3.51ct Round
₹35,993 INR