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Round|Lab Grown|IGI

0.99ct E VVS1 Round Lab Grown Diamond

ID • E/VVS1 • IGI LG770638401

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770638401

Diamond specifications and retailer prices

From €157 EUR
$175 USD
As of October 29, 2026
Save €1,269 EUR (89%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €1,426 EUR at Queensmith · As of October 27, 2026
View at Queensmith

About this 0.99ct lab-grown round diamond

This 0.99ct lab-grown round sits in the just-under-one-carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG770638401 or 770638401. Listed at 24 retailers as of October 27, 2026, with prices from €157 to €1,426, a €1,269 spread on the same certified stone. Queensmith lists it at €1,426. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.99
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770638401
Dimensions6.37 × 6.42 × 3.90 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.37 mm6.42 mm0.99 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770638401
Side View
Table 59.0%Crown 34.9°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 60.8%

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: €346 EUR|Low: €151 EUR|High: €920 EUR|Avg: €411 EUR|+6.2%
Retailer 1
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 12€157 EUR
Retailer 3€194 EUR
Retailer 2€262 EUR
Retailer 1€346 EUR
Retailer 8€351 EUR
Retailer 7€361 EUR
Retailer 5€381 EUR
Retailer 4€410 EUR
Retailer 9€485 EUR
Retailer 11€487 EUR
Retailer 10€728 EUR
Retailer 6€914 EUR

37 data points across 12 retailers

24 retailers€157 EUR to €1,426 EUR

A
Cheapest Retailer
-
€157 EUR
$175 USD
A
Retailer 2
-
€175 EUR
$195 USD
View
Final sale: no returns
A
Retailer 3
-
€181 EUR
$202 USD
View
A
Retailer 4
-
€194 EUR
$216 USD
View
A
Retailer 5
-
€194 EUR
$216 USD
View
A
Retailer 6
-
€219 EUR
HK$1,900 HKD
View
B+
Retailer 7
-
€262 EUR
$292 USD
View
A
Retailer 8
-
€311 EUR
$346 USD
View
A
Retailer 9
-
€346 EUR
£303 GBP
View
A
Retailer 10
-
€351 EUR
ZAR 6,318 ZAR
View
A
Retailer 11
-
€361 EUR
View
A
Retailer 12
-
€381 EUR
£334 GBP
View
B+
Retailer 13
-
€410 EUR
$456 USD
View
B+
Retailer 14
-
€485 EUR
A$830 AUD
View
B+
Retailer 15
-
€487 EUR
$542 USD
View
B+
Retailer 16
-
€531 EUR
SGD 799 SGD
View
Retailer 17
-
€597 EUR
$665 USD
View
Price last confirmed 38 days ago
B
Retailer 18
-
€625 EUR
$696 USD
View
B
Retailer 19
-
€643 EUR
$716 USD
View
B
Retailer 20
-
€674 EUR
$750 USD
View
Retailer 21
-
€728 EUR
$810 USD
View
Price last confirmed 13 days ago
B
Retailer 22
-
€914 EUR
£801 GBP
View
B
Retailer 23
-
€999 EUR
$1,112 USD
View
Most Expensive
B
Queensmith
LG770638401 · Oct 27
€1,426 EUR
£1,250 GBP
View
23 more retailers have this diamond
Prices start from €157 EURSave up to €1,269 EUR

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
0.99ct Round
€157 EUR